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Prompt: Adrien is a possessive boyfriend… I'm sorry I can't get enough of overprotective/ jealous Adrien

After finding out each other's identities, the two were soon dating. It had been almost three months and Marinette had noticed that Adrien was the possessive type boyfriend. It was super cute and flattering but sometimes, Adrien could go a little overboard. And don't even get her started on when his Cat Noir instincts began to take over.

There was this one time when their class was starting a group project and Marinette was put in a group with Nathaniel, Kim and Max, and Adrien was not very happy. Nathaniel offered to use his house as a work place and everyone agreed. When Mari told Adrien, he was furious. The idea of his princess going over to another guy's house to work on a project with three guys made his blood boil.

He told her he was going with her no matter what and ignored her protests. And so, when Nathaniel excitedly answered the door after Kim and Max had already arrived, he was startled to see Adrien standing next to Marinette while holding her hand tightly and glaring daggers at the poor tomato head.

"Uh...S-sorry Nathaniel...he insisted on coming along with me. I hope you don't mind." The beautiful young girl explained nervously.

"O-oh! N-no I don't mind at all! It was just unexpected." He stammered nervously while avoiding the model's gaze. After a few moments of awkward silence, Nath invited the couple inside. They all gathered in the kitchen with the rest of Mari's group with snacks to discuss their project. Adrien refused to let go of Mari the whole time.

First, he wouldn't let go of her hand but she needed to eat, so he offered to feed her but she said no and yanked her hand away. Then, Adrien put his arm around her shoulder instead. When ever one of the other guys got close, he would let out a hiss and earn a smack in the head from his girlfriend.

These guys were all his friends. They wouldn't try to steal his princess….but...Adrien still felt like he shouldn't trust them.

After eating, they all went up to Nathaniel's room to start working. Kim and Max had already laid out all the materials for their poster on the ground, so they all sat around it. The only problem was…..there was no room in their circle for Nathaniel, who had run downstairs to grab his phone.

"Um guys? There's no room for me." He pointed out once he had returned. Marinette turned to Adrien with a look in her eyes he couldn't identify. "Adrien…." She started slowly, "Could you maybe sit somewhere else?"

"What? WHY?" He questioned, flabbergasted by her request. How could he leave his lady's side? No. this just wouldn't do. Usually he would do anything the princess commands, but not right now.

"Well...you aren't really going to be working on the project, since you aren't even in our group, and Nathaniel needs to help us." She told him calmly. "I-I but...h-he erm I mean..uh.." Adrien sputtered while having trouble coming up with a good reason to fight back with.

Marinette leaned forward and brought their intertwined hands to her lips to plant a soft kiss to his knuckles. "Please chaton." She gave him her best babydoll eyes.

'UGH! SHE LOOKS SO ADORABLE! How can I say no to that face?' Adrien screamed in his mind. Suddenly, an idea popped into his head and he smirked. "Of course, my princess." He purred before planting a chaste kiss against her lips and standing up.

He walked over, behind his princess, before sitting down again and immediately wrapping his arms around her chest and his legs around her waist.

"Wha-Adrien! What are you doing?" The girl squeaked of surprise. "Sitting somewhere else." He replied casually before burying his head into her gorgeous navy blue locks. He took a deep breath and sighed with pleasure. This was better than only being able to wrap his arm around her shoulder. Now he felt like her protector and all the other guys could see that she was his.

Meanwhile, Marinette was getting very frustrated but knew she wouldn't be able to get Adrien off of her now. She had to just live with it and work with her boyfriend clinging to her back.

"Ewww you two are gross!" Kim complained with disgust, breaking the awkward silence that had taken over. Marinette tried to hide her flushed face but was unable to do so because of Adrien's strong grip around her.

"Nathaniel...aren't you going to sit?" Max asked the boy, who was still standing. "Oh! Right, yeah sorry." He scrambled to his spot on the floor between Mari and Max.

The group of four worked hard for about 2.5 hours before they were finally finished, although it was hard for Marinette to help after Adrien had fallen asleep while still holding onto her tightly. She tried to pry him off but it was nearly impossible. He had an iron grip and kept his face pressed to the nape of her neck the entire time. To make things even worse, after he fell asleep, his hot breath would hit her nape every time he breathed out, sending fireworks shooting up and down her spine. Overall, he was being very distracting.

When they finished, Mari tried to wake up the boy on her back, but he was out cold.

"Uh..Mari? You need some help?" Kim asked as they all stood up while she remained on the floor. "I-uh...Kim?" She never got to finish before he stood behind her and attempted to yank Adrien off. He failed and only earned a growl from the unconscious boy before he burrowed his head deeper against her neck. Marinette visibly shuddered as his grip tightened.

Another awkward silence...

"Don't worry about me guys." Mari said sweetly before picking herself up off the ground. She held up Adrien's legs for support and was now carrying him piggy-back style.

All three boy's jaws hung open. They were all shocked and amazed by the tiny girl's strength. "H-how are you doing that?" Max asked, sounding extremely surprised. "According to my precise calculations, a human female your size would not be able to carry a male, Adrien's size, that easily!"

Marinette just shrugged before heading towards the door. "I guess I just have super strength or something then." She called back before disappearing through Nathaniel's bedroom door.

All three boys just stood there in silence. "Marinette is truly amazing." Tomato sighed dreamily.

"Don't forget to bring the poster to school tomorrow!" They heard her call up followed by the sound of the front door slamming shut.